Finding the Fourth Proportional to 125,758.24, 173,543.52 and 69,168.40
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Solution
The fourth proportional to 125,758.24, 173,543.52 and 69,168.40 is: 95,450.82
Step by Step Solution
- Step 1: Write the proportion equation
125,758.24 : 173,543.52 = 69,168.40 : x - Step 2: Convert to fraction form
125,758.24/173,543.52 = 69,168.40/x - Step 3: Cross multiply
125,758.24x = 173,543.52 × 69,168.40 - Step 4: Simplify right side
125,758.24x = 12,003,727,608.77 - Step 5: Solve for x
x = 12,003,727,608.77/125,758.24 - Step 6: Final answer
x = 95,450.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.